[PATCH v2 5/6] arm64: dts: rockchip: Add thermal trim OTP and tsadc nodes

Nicolas Frattaroli nicolas.frattaroli at collabora.com
Tue Feb 25 04:56:48 PST 2025


Thanks to Heiko's work getting OTP working on the RK3576, we can specify
the thermal sensor trim values which are stored there now, and with my
driver addition to rockchip_thermal, we can make use of these.

Add them to the devicetree for the SoC.

Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli at collabora.com>
---
 arch/arm64/boot/dts/rockchip/rk3576.dtsi | 57 ++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
index 6603f442674c09d017a256bc272e33a2fea7cb8d..e7ce707e6339bcdddb2914eb7e0ed8269275c679 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -1465,6 +1465,30 @@ gpu_leakage: gpu-leakage at 21 {
 			log_leakage: log-leakage at 22 {
 				reg = <0x22 0x1>;
 			};
+			bigcore_tsadc_trim: bigcore-tsadc-trim at 24 {
+				reg = <0x24 0x2>;
+				bits = <0 10>;
+			};
+			litcore_tsadc_trim: litcore-tsadc-trim at 26 {
+				reg = <0x26 0x2>;
+				bits = <0 10>;
+			};
+			ddr_tsadc_trim: ddr-tsadc-trim at 28 {
+				reg = <0x28 0x2>;
+				bits = <0 10>;
+			};
+			npu_tsadc_trim: npu-tsadc-trim at 2a {
+				reg = <0x2a 0x2>;
+				bits = <0 10>;
+			};
+			gpu_tsadc_trim: gpu-tsadc-trim at 2c {
+				reg = <0x2c 0x2>;
+				bits = <0 10>;
+			};
+			soc_tsadc_trim: soc-tsadc-trim at 64 {
+				reg = <0x64 0x2>;
+				bits = <0 10>;
+			};
 		};
 
 		gic: interrupt-controller at 2a701000 {
@@ -1876,6 +1900,39 @@ tsadc: tsadc at 2ae70000 {
 			rockchip,hw-tshut-temp = <120000>;
 			rockchip,hw-tshut-mode = <0>; /* tshut mode 0:CRU 1:GPIO */
 			rockchip,hw-tshut-polarity = <0>; /* tshut polarity 0:LOW 1:HIGH */
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			soc at 0 {
+				reg = <0>;
+				nvmem-cells = <&soc_tsadc_trim>;
+				nvmem-cell-names = "trim";
+			};
+			bigcores at 1 {
+				reg = <1>;
+				nvmem-cells = <&bigcore_tsadc_trim>;
+				nvmem-cell-names = "trim";
+			};
+			littlecores at 2 {
+				reg = <2>;
+				nvmem-cells = <&litcore_tsadc_trim>;
+				nvmem-cell-names = "trim";
+			};
+			ddr at 3 {
+				reg = <3>;
+				nvmem-cells = <&ddr_tsadc_trim>;
+				nvmem-cell-names = "trim";
+			};
+			npu at 4 {
+				reg = <4>;
+				nvmem-cells = <&npu_tsadc_trim>;
+				nvmem-cell-names = "trim";
+			};
+			gpu at 5 {
+				reg = <5>;
+				nvmem-cells = <&gpu_tsadc_trim>;
+				nvmem-cell-names = "trim";
+			};
 		};
 
 		i2c9: i2c at 2ae80000 {

-- 
2.48.1




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